Inventor · disambiguated record
John L. Orr
Also filed as: ORR JOHN L
3 granted patents·28 citations·filing 1974–1978
69Inventor score
Files withKEYSTONE CONSOLIDATED IND INC3
Top patents by PatentIndex Score
3 records- 0175US4201427ASewing machine positioner deviceKEYSTONE CONSOLIDATED IND INC·Filed 1978·Granted May 6, 1980·12 cites·33 claims
- 0239US3936084APrivacy lockKEYSTONE CONSOLIDATED IND INC·Filed 1974·Granted Feb 3, 1976·7 cites·8 claims
- 0336US4018487ACam adjustment for tension spring of sewing machine head lifter mechanismKEYSTONE CONSOLIDATED IND INC·Filed 1976·Granted Apr 19, 1977·9 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →