Reissue patents can be used to correct errors such as failure to perfect claims for priority (e.g., failure to properly claim a priority filing date of an earlier filed foreign or U.S. patent application), defects in the drawings or specification, improper inventorship, and claiming more or less than what was proper to claim in the original patent.
There are a lot of ways you can be frugal in your garden and save some money. The potting mix you use in your container gardens should be something you feel comfortable splurging on. In my opinion, the best potting soil for edible container garden is the Happy Frog line of potting soil distributed by FoxFarm.
People tend to focus on soil tilth in the plow layer, but good aggregation is also important in the subsoil, the layer below the regular depth of tillage. Such aggregates are generally not crumb-like but involve larger (2- to 6-inch) blocks of soil that are more angular and not as distinctive.