Individual holder
GRANRYD THORVALD G
8 granted patents·96 citations·filing 1975–1985
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
8 records- 0176US4068732AFour sprocket wheel drive system for track-type vehicleGRANRYD THORVALD G·Filed 1975·Granted Jan 17, 1978·25 cites·5 claims
- 0269US4603916ALightweight retractable track-wheel for agricultural tractors and the likeGRANRYD THORVALD G·Filed 1984·Granted Aug 5, 1986·20 cites·18 claims
- 0365US4402357ALightweight traction intensifying means for agricultural wheeled tractors and the likeGRANRYD THORVALD G·Filed 1981·Granted Sep 6, 1983·18 cites·7 claims
- 0452US4133480AConvenience anti-wheel spin device for rubber tired vehicles including a winching accessoryGRANRYD THORVALD G·Filed 1977·Granted Jan 9, 1979·10 cites·12 claims
- 0541US4694872AHigh performance drive tire arrangement for agricultural tractorsGRANRYD THORVALD G·Filed 1985·Granted Sep 22, 1987·8 cites·13 claims
- 0640US4326668ALow cost vehicle traction device employing pivotally mounted anchoring meansGRANRYD THORVALD G·Filed 1980·Granted Apr 27, 1982·6 cites·12 claims
- 0739US4225082ALow cost vehicle traction device employing pivotally mounted anchoring meansGRANRYD THORVALD G·Filed 1979·Granted Sep 30, 1980·5 cites·11 claims
- 0833US4224972ACombination winch and traction intensifier for rubber tired vehiclesGRANRYD THORVALD G·Filed 1978·Granted Sep 30, 1980·4 cites·10 claims
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