Joined: Jan 2009
Posts: 44,138
Likes: 6,363
From: New York, NY, and High Falls, NY, USA
Bikes: 1962 Rudge Sports, 1971 Raleigh Super Course, 1971 Raleigh Pro Track, 1974 Raleigh International, 1975 Viscount Fixie, 1982 McLean, 1996 Lemond (Ti), 2002 Burley Zydeco tandem
Yeah, I've been using them for at least 30 years. Before I became aware of them, patches didn't have feathered edges, i.e. they were the same as car tube patches.