Assignee
PARKER PEN CO
11 granted patents·268 citations·filing 1975–1984
Top patents by PatentIndex Score
11 records- 0196US4591418AMicrolaminated coatingPARKER PEN CO·Filed 1984·Granted May 27, 1986·121 cites·21 claims
- 0280USD279383SBall point writing instrumentPARKER PEN CO·Filed 1983·Granted Jun 25, 1985·19 cites·1 claims
- 0373US4529328AProjection-retraction mechanism for a writing instrumentPARKER PEN CO·Filed 1983·Granted Jul 16, 1985·31 cites·8 claims
- 0472US3951555AModular writing penPARKER PEN CO·Filed 1975·Granted Apr 20, 1976·33 cites·35 claims
- 0560US4702633AMulticolor writing implementPARKER PEN CO·Filed 1980·Granted Oct 27, 1987·16 cites·4 claims
- 0656US4121719AHolder for writing instrumentsPARKER PEN CO·Filed 1976·Granted Oct 24, 1978·17 cites·3 claims
- 0755US4222595AClamping closure for releasably connecting two partsPARKER PEN CO·Filed 1978·Granted Sep 16, 1980·12 cites·19 claims
- 0851US4378171ABall-point penPARKER PEN CO·Filed 1980·Granted Mar 29, 1983·11 cites·4 claims
- 0939US4506426APocket clip for a writing instrumentPARKER PEN CO·Filed 1983·Granted Mar 26, 1985·6 cites·7 claims
- 1030US4322099AClamping closure for the releasable joining of the locking strip of cases, writing cases and the likePARKER PEN CO·Filed 1979·Granted Mar 30, 1982·1 cites·3 claims
- 1124US3957379AFountain penPARKER PEN CO·Filed 1975·Granted May 18, 1976·1 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when PARKER PEN CO files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →