Philip Richardson has been granted 12 US patents while listed as an inventor at Unknown . The first was granted in 1992 and the most recent in March 2025. Philip Richardson ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list Philip Richardson in Feldkirch, AT.
Patents per Year Patents granted per year, 1992 to 2025 Bar chart with a peak of 4 patents in 1997. peak 4 1992: 1 patents 1992 1993: 2 patents 1993 1995: 1 patents 1995 1996: 1 patents 1996 1997: 4 patents 1997 1998: 1 patents 1998 1999: 1 patents 1999 2025: 1 patents 2025
Issued Patents All Time
Profile Widget
Showing 1–12 of 12 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
12253105 Use of an oversized threaded rod in a locking oblong hole Nicholas Morris , Raphael THON 2025-03-18
5871488 Surgical suturing apparatus with locking mechanisms H. Jonathan Tovey , Corbett W. Stone , Stephen W. Zlock , David A. Nicholas , Paul Scirica +1 more 1999-02-16
5817365 Production of rubber articles, such as gloves Margaret P. Richardson 1998-10-06
5690653 Suturing apparatus Margaret P. Richardson 1997-11-25
5674229 Surgical suturing apparatus with loading mechanism H. Jonathan Tovey , Corbett W. Stone , Stephen W. Zlock , David A. Nicholas , Richard N. Granger +1 more 1997-10-07
$5,463,000
5674230 Surgical suturing apparatus with locking mechanisms H. Jonathan Tovey , Corbett W. Stone , Stephen W. Zlock , David A. Nicholas , Paul Scirica +1 more 1997-10-07
$5,463,000
5622185 Barrier device Margaret P. Richardson 1997-04-22
5524294 Tamper- or damage-indicating members Margaret P. Richardson 1996-06-11
5454823 Suturing apparatus Margaret P. Richardson 1995-10-03
5224221 Tamper or damage indicating members Margaret P. Richardson 1993-07-06
5193555 Barrier device Margaret P. Richardson 1993-03-16
5146930 Contraceptive and anti-infective barrier device Margaret P. Richardson 1992-09-15